Inventor · disambiguated record
Fumio Sumino
Also filed as: SUMINO FUMIO
11 granted patents·151 citations·filing 1982–1993
90Inventor score
Files withCANON KK11
Top patents by PatentIndex Score
11 records- 0188US4618552ALight receiving member for electrophotography having roughened intermediate layerCANON KK·Filed 1985·Granted Oct 21, 1986·71 cites·27 claims
- 0262US5312709AImage holding member and apparatus making use of itCANON KK·Filed 1991·Granted May 17, 1994·13 cites·8 claims
- 0359US5389478AElectrophotographic photosensitive member, and electrophotographic apparatus, device unit, and facsimile machine employing the sameCANON KK·Filed 1993·Granted Feb 14, 1995·11 cites·22 claims
- 0458US4617245ALight receiving member having tapered reflective surfaces between substrate and light receiving layerCANON KK·Filed 1985·Granted Oct 14, 1986·18 cites·37 claims
- 0555US5279916AProcess for producing electrophotographic photosensitive memberCANON KK·Filed 1990·Granted Jan 18, 1994·11 cites·2 claims
- 0650US4461753AProcess for producing photoconductive cadmium sulfideCANON KK·Filed 1982·Granted Jul 24, 1984·7 cites·3 claims
- 0743US5008168APhotosensitive member for electrophotographyCANON KK·Filed 1989·Granted Apr 16, 1991·5 cites·42 claims
- 0843US4535043AElectrophotographic photosensitive memberCANON KK·Filed 1984·Granted Aug 13, 1985·5 cites·8 claims
- 0939US4932860AElectrophotographic photosensitive memberCANON KK·Filed 1988·Granted Jun 12, 1990·4 cites·10 claims
- 1037US4434219AElectrophotographic photosensitive member comprising photoconductive powder and a deionized binder resinCANON KK·Filed 1982·Granted Feb 28, 1984·3 cites·6 claims
- 1133US4464449ARecording method having uniform exposure, charging, and infrared image exposureCANON KK·Filed 1982·Granted Aug 7, 1984·3 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →